Question

construct a triangle abc in which bc=5.5 cm lb=75 and lc=45 .write steps of construction also​

Answer 1

Construction of triangle:-

• Draw one side (bc) of the triangle using a ruler of 5.5 cm.

• Draw another side (lb) of the triangle using a ruler of 7.5 cm.

• Draw last side (lc) of the triangle of 4.5 cm.

Answer 2

➤ Correct Question :-

Construct a triangle ABC in which BC = 5.5 cm, ∠B = 75° and ∠C = 45°

➠ Steps :-

• First, draw a line segment BC of 5.5 cm.
• Next, take a protractor and keep it's mid-point on the point B and draw a ray measuring 75°.
• Again, take a protractor and keep it's mid-point on the point C and draw a ray measuring 45°.
• Now, join both rays on one point. If they don't meet, extend them until they meet. Name it as point A.
• Finally, the triangle is constructed.

➸ Instruments used :-

• Ruler:- The ruler is used to draw the line segments of accurate measurements and the drawn lines should be correct and straight always.
• Protractor:- The protractor is used to draw the rays of accurate measurements of degrees. It's also used to measure the angles given.